Home / 19,378.44-29,022.84-11,570.04

Finding the Fourth Proportional to 19,378.44, 29,022.84 and 11,570.04

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Solution

The fourth proportional to 19,378.44, 29,022.84 and 11,570.04 is: 17,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.44 : 29,022.84 = 11,570.04 : x
  2. Step 2: Convert to fraction form
    19,378.44/29,022.84 = 11,570.04/x
  3. Step 3: Cross multiply
    19,378.44x = 29,022.84 × 11,570.04
  4. Step 4: Simplify right side
    19,378.44x = 335,795,419.71
  5. Step 5: Solve for x
    x = 335,795,419.71/19,378.44
  6. Step 6: Final answer
    x = 17,328.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.